PIC16F877-20/P Microchip Technology, PIC16F877-20/P Datasheet - Page 100

• Manufacturer Part Number: PIC16F877-20/P
• Description: IC MCU FLASH 8KX14 EE 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-20/P

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F87X
TABLE 10-3:
TABLE 10-4:
DS30292C-page 98
BAUD
BAUD
BAUD
BAUD
RATE
HIGH
RATE
RATE
RATE
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
19.2
28.8
33.6
57.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
(K)
0.3
1.2
2.4
9.6
1250.000
KBAUD
312.500
KBAUD
KBAUD
19.531
31.250
34.722
62.500
KBAUD
250.000
20.833
31.250
62.500
62.500
19.231
29.070
33.784
59.524
19.231
27.798
35.714
62.500
1.221
2.404
9.766
1.221
0.300
1.202
2.404
8.929
0.244
9.615
4.883
1.202
2.404
9.615
0.977
-
-
-
-
-
-
F
F
F
F
OSC
OSC
OSC
OSC
ERROR
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
ERROR
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 1)
ERROR
ERROR
1.75
0.17
1.73
8.51
3.34
8.51
1.72
0.17
0.17
6.99
8.51
8.51
8.51
0.16
0.16
0.94
0.55
3.34
0.17
0.17
0.16
0.16
3.55
6.29
8.51
= 20 MHz
%
%
= 20 MHz
-
-
-
0
%
-
-
-
= 4 MHz
= 4 MHz
%
-
-
-
-
-
-
-
-
(decimal)
(decimal)
(decimal)
(decimal)
SPBRG
SPBRG
SPBRG
SPBRG
value
value
value
value
255
129
255
207
255
129
255
207
103
255
31
15
51
25
64
42
36
20
25
12
9
8
4
0
-
6
2
1
0
0
-
0
8
6
3
0
-
-
-
-
1000.000
KBAUD
250.000
KBAUD
KBAUD
KBAUD
19.231
27.778
35.714
62.500
19.231
29.412
33.333
58.824
1.202
2.404
9.615
0.977
0.225
230.4
9.615
3.906
19.2
28.8
57.6
57.6
19.2
28.8
32.9
57.6
0.3
1.2
2.4
9.6
1.2
2.4
9.6
0.9
-
-
-
-
-
-
F
F
OSC
OSC
F
F
OSC
OSC
ERROR
ERROR
ERROR
ERROR
= 3.6864 MHz
= 3.6864 MHz
0.17
0.17
0.16
0.16
3.55
6.29
8.51
2.04
0.16
0.16
2.13
0.79
2.13
%
= 16 MHz
%
= 16 MHz
0
0
0
0
0
0
0
%
-
-
-
-
-
-
%
0
0
0
0
0
0
-
-
-
-
-
-
-
(decimal)
(decimal)
(decimal)
(decimal)
SPBRG
SPBRG
SPBRG
SPBRG
value
value
value
value
191
255
207
103
255
191
255
103
255
25
12
95
23
11
47
23
51
33
29
16
8
6
3
0
7
6
3
0
5
2
1
0
0
-
-
-
0
-
-
-
KBAUD
156.250
19.531
31.250
31.250
52.083
KBAUD
625.000
1.202
2.404
9.766
0.610
19.531
28.409
32.895
56.818
2.441
9.615
2.441
-
-
-
F
F
OSC
OSC
ERROR
ERROR
0.17
0.17
1.73
1.72
8.51
6.99
9.58
%
1.71
0.16
1.72
1.36
2.10
1.36
= 10 MHz
-
-
-
= 10 MHz
%
-
-
-
-
(decimal)
SPBRG
(decimal)
SPBRG
value
129
255
value
64
15
255
255
7
4
4
2
0
-
31
21
18
10
64
0
-
-
2001 Microchip Technology Inc.